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diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
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+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
@@ -0,0 +1,162 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Handles binary/7/8-bit Transfer Encoding in Swift Mailer.
+ *
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_PlainContentEncoder implements Swift_Mime_ContentEncoder
+{
+ /**
+ * The name of this encoding scheme (probably 7bit or 8bit).
+ *
+ * @var string
+ */
+ private $_name;
+
+ /**
+ * True if canonical transformations should be done.
+ *
+ * @var bool
+ */
+ private $_canonical;
+
+ /**
+ * Creates a new PlainContentEncoder with $name (probably 7bit or 8bit).
+ *
+ * @param string $name
+ * @param bool $canonical If canonicalization transformation should be done.
+ */
+ public function __construct($name, $canonical = false)
+ {
+ $this->_name = $name;
+ $this->_canonical = $canonical;
+ }
+
+ /**
+ * Encode a given string to produce an encoded string.
+ *
+ * @param string $string
+ * @param int $firstLineOffset ignored
+ * @param int $maxLineLength - 0 means no wrapping will occur
+ *
+ * @return string
+ */
+ public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
+ {
+ if ($this->_canonical) {
+ $string = $this->_canonicalize($string);
+ }
+
+ return $this->_safeWordWrap($string, $maxLineLength, "\r\n");
+ }
+
+ /**
+ * Encode stream $in to stream $out.
+ *
+ * @param Swift_OutputByteStream $os
+ * @param Swift_InputByteStream $is
+ * @param int $firstLineOffset ignored
+ * @param int $maxLineLength optional, 0 means no wrapping will occur
+ */
+ public function encodeByteStream(Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0, $maxLineLength = 0)
+ {
+ $leftOver = '';
+ while (false !== $bytes = $os->read(8192)) {
+ $toencode = $leftOver.$bytes;
+ if ($this->_canonical) {
+ $toencode = $this->_canonicalize($toencode);
+ }
+ $wrapped = $this->_safeWordWrap($toencode, $maxLineLength, "\r\n");
+ $lastLinePos = strrpos($wrapped, "\r\n");
+ $leftOver = substr($wrapped, $lastLinePos);
+ $wrapped = substr($wrapped, 0, $lastLinePos);
+
+ $is->write($wrapped);
+ }
+ if (strlen($leftOver)) {
+ $is->write($leftOver);
+ }
+ }
+
+ /**
+ * Get the name of this encoding scheme.
+ *
+ * @return string
+ */
+ public function getName()
+ {
+ return $this->_name;
+ }
+
+ /**
+ * Not used.
+ */
+ public function charsetChanged($charset)
+ {
+ }
+
+ /**
+ * A safer (but weaker) wordwrap for unicode.
+ *
+ * @param string $string
+ * @param int $length
+ * @param string $le
+ *
+ * @return string
+ */
+ private function _safeWordwrap($string, $length = 75, $le = "\r\n")
+ {
+ if (0 >= $length) {
+ return $string;
+ }
+
+ $originalLines = explode($le, $string);
+
+ $lines = array();
+ $lineCount = 0;
+
+ foreach ($originalLines as $originalLine) {
+ $lines[] = '';
+ $currentLine = &$lines[$lineCount++];
+
+ //$chunks = preg_split('/(?<=[\ \t,\.!\?\-&\+\/])/', $originalLine);
+ $chunks = preg_split('/(?<=\s)/', $originalLine);
+
+ foreach ($chunks as $chunk) {
+ if (0 != strlen($currentLine)
+ && strlen($currentLine.$chunk) > $length) {
+ $lines[] = '';
+ $currentLine = &$lines[$lineCount++];
+ }
+ $currentLine .= $chunk;
+ }
+ }
+
+ return implode("\r\n", $lines);
+ }
+
+ /**
+ * Canonicalize string input (fix CRLF).
+ *
+ * @param string $string
+ *
+ * @return string
+ */
+ private function _canonicalize($string)
+ {
+ return str_replace(
+ array("\r\n", "\r", "\n"),
+ array("\n", "\n", "\r\n"),
+ $string
+ );
+ }
+}